<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table border stripe :data="UserList">
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="PutYonghu(scope.row)"
            >{{scope.mg_state}}</el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="editDialogVisible=true ; showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="deleteEditDialog(scope.row.id)"
            ></el-button>
            <!-- 分配角色 -->
           <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>

      <!-- 添加用户弹出框 -->

      <el-dialog
        title="添加用户"
        :visible.sync="dialogVisible"
        width="30%"
        :before-close="handleClose"
        @close="clecrClose()"
      >
        <!-- 添加用户输入框 -->
        <el-form label-width="80px" :rules="Formrules" ref="addFormRef" :model="AddForm">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="AddForm.username"></el-input>
          </el-form-item>
          <!-- 密码输入框 -->
          <el-form-item label="密码" prop="password">
            <el-input type="password" v-model="AddForm.password"></el-input>
          </el-form-item>
          <!-- 邮箱输入框 -->
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="AddForm.email"></el-input>
          </el-form-item>
          <!-- 手机号码输入框 -->
          <el-form-item label="手机号码" prop="mobile">
            <el-input v-model="AddForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="clecrClose">取 消</el-button>
          <el-button type="primary" @click="Addsuer ">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改用户弹出框 -->

      <el-dialog title="修改用户" width="30%" :visible.sync="editDialogVisible" @close="clecrsClose()">
        <el-form
          label-width="70px"
          v-model="editForm"
          :rules="editFormRules"
          ref="putFormRef"
          :model="editForm"
        >
          <el-form-item label="用户名">
            <el-input disabled v-model="editForm.username"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 分配角色的对话框 -->
      <el-dialog
        title="分配角色"
        :visible.sync="setRoleDialogVisible"
        width="50%"
        @close="setRoleDialogClosed"
      >
        <div>
          <p>当前的用户：{{userInfo.username}}</p>
          <p>当前的角色：{{userInfo.role_name}}</p>
          <p>
            分配新角色：
            <el-select v-model="selectedRoleId" placeholder="请选择">
              <el-option
                v-for="item in rolesList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id"
              ></el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>
<script>
import LoginVue from '../Login.vue'
export default {
  data() {
    // 定义邮箱手机号的验证规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }
    return {
      //获取查询用户信息的参数
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少数据
        pagesize: 2
      },
      UserList: [],
      // 数据总数量
      total: 0,
      // // 添加输入框默认隐藏
      dialogVisible: false,
      // 修改用户框默认隐藏
      editDialogVisible: false,
      // 定义添加用户的数据
      AddForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 修改用户数据
      editForm: {
        username: 'admin',
        email: '',
        mobile: ''
      },
      Formrules: {
        // 定义用户名验证规则
        username: [
          { required: true, message: '账号不能为空', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 定义密码验证规则
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          {
            validator: checkEmail,
            message: '邮箱格式不正确，请重新输入',
            trigger: 'blur'
          }
        ],
        mobile: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          {
            validator: checkMobile,
            message: '手机号码不正确，请重新输入',
            trigger: 'blur'
          }
        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的角色Id值
      selectedRoleId: ''
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    //   获取用户列表的请求
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取列表失败')
      }
      this.UserList = res.data.users
      this.total = res.data.total

      console.log(res)
    },
    // 当每页多少条数据发生改变时触发
    handleSizeChange(newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 当页码发生改变时触发
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 更新用户状态
    async PutYonghu(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户失败')
      }
      this.$message.success('更新用户状态成功！')
    },
    // 添加用户弹出框
    handleClose(done) {
      this.$confirm('确认关闭？')
        .then(_ => {
          done()
        })
        .catch(_ => {})
    },
    // 关闭添加用户弹出层清空数据
    clecrClose() {
      console.log(this.$refs.addFormRef)
      this.$refs.addFormRef.resetFields()
      this.dialogVisible = false
    },
    // 关闭修改用户弹出层清空数据
    clecrsClose() {
      this.$refs.putFormRef.resetFields()
      this.editDialogVisible = false
    },
    // 添加用户
    Addsuer() {
      console.log(1111)
      //点击确定按钮，添加新用户
      //调用validate进行表单验证
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return this.$message.error('请填写完整用户信息')
        //发送请求完成添加用户的操作
        const { data: res } = await this.$http.post('users', this.AddForm)
        console.log(res)

        //判断如果添加失败，就做提示
        if (res.meta.status !== 201) return this.$message.error('添加用户失败')
        //添加成功的提示
        this.$message.success('添加用户成功')
        //关闭对话框
        this.addDialogVisible = false
        //重新请求最新的数据
        this.getUserList()
      })
    },
    // 根据id查询用户信息
    async showEditDialog(id) {
      console.log(111111)
      console.log(id)

      const { data: res } = await this.$http.get('users/' + id)
      //判断如果添加失败，就做提示
      if (res.meta.status !== 200)
        return this.$message.error('获取用户信息失败')
      //将获取到的数据保存到数据editForm中
      this.editForm = res.data
      console.log(res)
    },
    // 点击确定修改用户数据
    async editUserInfo() {
      console.log(111)
      const { data: res } = await this.$http.put(
        'users/' + this.editForm.id,
        this.editForm
      )
      console.log(res)
      if (res.meta.status !== 200)
        return this.$message.error('更新用户数据失败')
      this.$message.success('更新用户数据成功！')
      this.editDialogVisible = false
      this.getUserList()
    },
    // 点击删除删除用户
    async deleteEditDialog(id) {
      console.log(111)
      // 弹框询问用户是否删除数据
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }

      const { data: res } = await this.$http.delete('users/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }

      this.$message.success('删除用户成功！')
      this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo

      // 在展示对话框之前，获取所有角色的列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }

      this.rolesList = res.data

      this.setRoleDialogVisible = true
    },
    // 点击按钮，分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )

      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }

      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>
<style lang="less" scoped>
</style>